A solid oxide fuel cell operating on liquid organic hydrogen carrier-based hydrogen A kinetic model of the hydrogen release unit and system performance

被引：48
|
作者：
Peters, Roland [1 ]
Deja, Robert [1 ]
Fang, Qingping [1 ]
Van Nhu Nguyen [1 ]
Preuster, Patrick [2 ]
Blum, Ludger [1 ]
Wasserscheid, Peter [2 ,3 ]
Stolten, Detlef [1 ,4 ]
机构：
[1] Forschungszentrum Julich, Inst Energy & Climate Res, Electrochem Proc Engn IEK 3, Wilhelm Johnen Str, D-52428 Julich, Germany
[2] Friedrich Alexander Univ Erlangen Nurnberg, Lehrstuhl Chem Reakt Tech, Egerlandstr 3, D-91058 Erlangen, Germany
[3] Forschungszentrum Julich, Helmholtz nst Erlangen Nurnberg Renewable Energy, Egerlandstr 3, Erlangen, Germany
[4] Rhein Westfal TH Aachen, Fac Mech Engn, Chair Fuel Cells, D-52072 Aachen, Germany
来源：
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2019年 / 44卷 / 26期
关键词：
SOFC; LOHC; Off-grid energy supply; Future energy systems; Hydrogen storage; Heat integration; HIGH-TEMPERATURE ELECTROLYSIS; STEAM ELECTROLYZER; GAS RECIRCULATION; EFFICIENCIES; REACTOR;
D O I：
10.1016/j.ijhydene.2019.03.220
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
In this paper, a kinetic model for the catalytic dehydrogenation of perhydro dibenzyltoluene (H18-DBT), a well-established Liquid Organic Hydrogen Carrier (LOHC) compound, is presented. Kinetic parameters for hydrogen release at a Pt on alumina catalyst in a temperature range between 260 degrees C and 310 degrees C are presented. A Solid Oxide Fuel Cell (SOFC) system model was coupled to the hydrogen release from H18-DBT in order to validate the full sequence of LOHC-bound hydrogen-to-electric power. A system layout is described and investigated according to its transient operating behavior and its efficiency. We demonstrate that the maximum efficiency of LOHC-bound hydrogen-to-electricity is 45% at full load, avoiding any critical conditions for the system components. (C) 2019 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：13794 / 13806
页数：13
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